The Godavari class frigates (formerly, Type 16 or Project 16 frigates) are guided-missile frigates of the Indian Navy. The Godavari class was the first significant indigenous warship design and development initiative of the Indian Navy. Its design is a modification of the Nilgiri class frigate with a focus on indigenous content of 72%, a larger hull and updated armaments. INS Gomati was the first Indian Navy vessel to have digital electronics in her combat data system. The ships combine Indian, Russian and Western weapons systems.